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MDS-NT1
SECTION 5
ELECTRICAL ADJUSTMENTS
Other faults are suspected.
Check the mechanism
(sled motor, etc).
Start
NG
NG
NG
OK
OK
OK
Laser Power Check
5-7-2.
(See page 28)
5-7-3.
(See page 28)
5-7-4.
(See page 29)
Iop Compare
Auto Check
Replace optical pick-up or MDM-7S2B
Note 1:The test mode and recording of this set are controlled by a personal computer, thus requiring the set to be connected to the PC.
Prepare the personal computer in which necessary software is already installed.
• Attached software “OpenMG Jukebox” (necessary for recording (check in, check out)) (Part No. : 4-237-880-01)
• Software for test mode “TestMode_S.exe” (“TestMode_S.exe” and essential files “data_files.csv”, “Net MDUSB.dil” are distributed to-
gether with the Service Manual. For the test mode, copy these three files in the same folder beforehand)
Note 2:In the operation in the test mode, the operational description requiring “click [xxx]” means that you have to click the button on the screen.
(“xxx” indicates the button name)
Note 3:MD always plays double speed.
5-1. PARTS REPLACEMENT AND ADJUSTMENT
If malfunctions caused by Optical pick-up such as sound skipping are suspected, follow the following check.
Check before replacement